Inventor · Kasugai, JP

Tetsuya Ejiri

35Patents
5h-index
15Co-inventors
66Inventor score

Filing activity: Aug 24, 1994 → May 18, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6640032B2 Bonding structures for optical members Electricity 8 Expired
US8384989B2 Electromagnetic wave oscillating devices Physics 7 Active
US8225684B2 Methods for detecting particulates in a honeycomb filter Emerging Cross-Sectional Technologies 7 Active
US8305679B2 Electromagnetic wave oscillating devices Physics 7 Active
US5621839A Optical waveguide device having substrate made of ferroelectric crystals Physics 7 Expired
US7389030B2 Optically functional device Physics 5 Active
US7532777B2 Optical functional devices Physics 5 Active
US7382942B2 Optical waveguide devices Physics 5 Active
US8355197B2 Electromagnetic wave oscillating devices Physics 3 Active
US8542434B2 Optical waveguide devices and harmonic wave generating devices Physics 3 Active
US7995872B2 Optical modulator component and optical modulator Physics 3 Active
US8712204B2 Optical modulation element Physics 3 Active
US7689066B2 Optical Modulator Physics 2 Active
US9574933B2 Terahertz-wave detection element, manufacturing method therefor, and observation apparatus Physics 2 Active
US7787773B1 Radio oscillating and radar systems Physics 2 Active
US10859747B2 Phosphor element and illumination device Electricity 2 Active
US7869669B2 Optical phase modulator Physics 2 Active
US6519394B2 Bonding structure of optical members Physics 2 Expired
US8531760B2 Semiconductor wavelength converting devices and light sources for generating infrared rays Electricity 1 Active
US7778497B2 Optical modulators Physics 1 Active
US7529447B2 Optical waveguide devices Physics 1 Active
US9261661B2 Structures of connecting optical waveguide parts and holding parts of holding optical input members, and a method of producing the same Emerging Cross-Sectional Technologies 1 Active
US7974501B2 Optical modulators Physics 1 Active
US8542433B2 Electromagnetic wave oscillating devices and a method of producing the same Physics 1 Active
US9859684B2 Grating element and external-resonator-type light emitting device Electricity 1 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.